science

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Across
  1. 2. The Moon has the greatest effect on Earth’s
  2. 5. Energy from the Sun reaches Earth mainly by the process of
  3. 7. Which energy resource is renewable?
  4. 9. What occurs when electrons are wiped from one object to another
  5. 11. Find length
  6. 12. A student correctly determined the density of two rocks. If the volumes of the two rocks are equal, the rock with the greater density has a
  7. 14. the outer shell electrons
  8. 15. Which form of energy is being converted to electrical energy by the batteries in the flashlight?
  9. 17. Plastic is used to cover the copper wires in the power cords of appliances because plastic differs from copper in
  10. 18. Amount of matter in a given space
Down
  1. 1. Amount of matter in an object
  2. 3. find mass
  3. 4. how long does the moon take to revolve around the earth
  4. 6. degrees celsius
  5. 8. Find volume
  6. 10. Moving electrons cause an what charge
  7. 13. The gravitational force between two objects depends on the distance between the objects and each object’s
  8. 14. amount of space matter occupies
  9. 16. If a material does not allow charges to move through it easily, what is it called?